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| author | Jonathan Albrieux <jonathan.albrieux@gmail.com> | 2020-05-25 19:46:04 +0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2020-06-14 13:49:46 +0300 |
| commit | 812a46b7ff8f77f44ad3d9867b3525b4e0804f70 (patch) | |
| tree | 10c4cd068f6b010cd9686364f58190fe6394787b /drivers/iio/imu/bmi160 | |
| parent | 5dea3fb066f015facfc97b0b5cdfd7bb26523785 (diff) | |
| download | linux-812a46b7ff8f77f44ad3d9867b3525b4e0804f70.tar.xz | |
iio: imu: bmi160: added mount-matrix support
Add mount-matrix binding support. As chip could have different orientations
a mount matrix support is needed to correctly translate these differences.
Signed-off-by: Jonathan Albrieux <jonathan.albrieux@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/imu/bmi160')
| -rw-r--r-- | drivers/iio/imu/bmi160/bmi160.h | 1 | ||||
| -rw-r--r-- | drivers/iio/imu/bmi160/bmi160_core.c | 20 |
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/iio/imu/bmi160/bmi160.h b/drivers/iio/imu/bmi160/bmi160.h index 923c3b274fde..a82e040bd109 100644 --- a/drivers/iio/imu/bmi160/bmi160.h +++ b/drivers/iio/imu/bmi160/bmi160.h @@ -9,6 +9,7 @@ struct bmi160_data { struct regmap *regmap; struct iio_trigger *trig; struct regulator_bulk_data supplies[2]; + struct iio_mount_matrix orientation; }; extern const struct regmap_config bmi160_regmap_config; diff --git a/drivers/iio/imu/bmi160/bmi160_core.c b/drivers/iio/imu/bmi160/bmi160_core.c index d3316ca02fbd..26d586daee26 100644 --- a/drivers/iio/imu/bmi160/bmi160_core.c +++ b/drivers/iio/imu/bmi160/bmi160_core.c @@ -110,6 +110,7 @@ .storagebits = 16, \ .endianness = IIO_LE, \ }, \ + .ext_info = bmi160_ext_info, \ } /* scan indexes follow DATA register order */ @@ -265,6 +266,20 @@ static const struct bmi160_odr_item bmi160_odr_table[] = { }, }; +static const struct iio_mount_matrix * +bmi160_get_mount_matrix(const struct iio_dev *indio_dev, + const struct iio_chan_spec *chan) +{ + struct bmi160_data *data = iio_priv(indio_dev); + + return &data->orientation; +} + +static const struct iio_chan_spec_ext_info bmi160_ext_info[] = { + IIO_MOUNT_MATRIX(IIO_SHARED_BY_DIR, bmi160_get_mount_matrix), + { } +}; + static const struct iio_chan_spec bmi160_channels[] = { BMI160_CHANNEL(IIO_ACCEL, X, BMI160_SCAN_ACCEL_X), BMI160_CHANNEL(IIO_ACCEL, Y, BMI160_SCAN_ACCEL_Y), @@ -839,6 +854,11 @@ int bmi160_core_probe(struct device *dev, struct regmap *regmap, return ret; } + ret = iio_read_mount_matrix(dev, "mount-matrix", + &data->orientation); + if (ret) + return ret; + ret = bmi160_chip_init(data, use_spi); if (ret) return ret; |